Best of Luck,
Century 21 Tenace
You would need at least a 620, (according to FHA's website) and then they would look at your Debt to Income Ratio (DTI).
It would be in your interest anyway, to get those scores up; as you might obtain a more favorable Interest Rate on your loan.
Be patient, Grasshopper.
http://www.hud.gov/offices/hsg/sfh/hcc/hcs.cfm to find the counselors in your area.